CSL
We focus and demonstrate global leadership in three distinct areas—rare and serious diseases; influenza vaccines; and iron deficiency and nephrology.
- Holly Springs, NC
- Kankakee, IL
- Waltham, MA
- Marburg an der Lahn, Germany
- Boca Raton, FL
- King of Prussia, PA
- Maidenhead, United Kingdom
- Zurich, Switzerland

Working at CSL
CSL is a leading global biotechnology company with a dynamic portfolio of lifesaving medicines, including those that treat haemophilia and immune deficiencies, vaccines to prevent influenza, and therapies in iron deficiency, dialysis and nephrology. Since our start in 1916, we have been driven by our promise to save lives using the latest technologies.
Today, CSL – including our businesses, CSL Behring, CSL Seqirus, CSL Plasma and CSL Vifor – provides lifesaving products to patients in more than 100 countries and employs 32,000 people. Our unique combination of commercial strength, R&D focus and operational excellence enables us to identify, develop and deliver innovations so our patients can live life to the fullest.


What CSL Does
At CSL, we're pioneers in healthcare, shaping a promising future through our relentless pursuit of innovation. For over a century, we've been at the forefront of developing life-saving medicines and vaccines. Today, with the combined expertise of CSL Behring, CSL Seqirus, and CSL Vifor, we offer a diverse range of solutions to address critical healthcare needs worldwide.
Rare & Serious Diseases: CSL Behring leads the way in biotherapeutics, delivering innovative therapies across various therapeutic areas, including immunology, hematology, cardiovascular, metabolic, respiratory, and transplant medicine.
Vaccines: CSL Seqirus is a global leader in influenza prevention, providing a comprehensive portfolio of vaccines using advanced technologies to combat influenza and contribute to pandemic preparedness.
Iron Deficiency & Nephrology: With expertise in iron deficiency and iron deficiency anemia, CSL offers solutions for conditions such as heart failure, kidney disease, gastroenterology, inflammatory bowel disease, patient blood management, and women's health, empowering patients to lead healthier lives.
Through our dedication to advancing healthcare, we're making a tangible impact on the lives of patients and communities worldwide.
Company Type: Public
Year Founded: 1916
Website: http://www.csl.com/careers
Reimagine Reinvent
As a global biotech leader we are a diverse collective of dedicated people exploring every avenue, every day, to achieve one shared goal—to reimagine, reinvent and be ever inspired to find new and more effective ways to save, improve and protect life.
We embed diversity, equity and inclusion (DE&I) in everything we do – from how we attract talent and support our employees to how we engage with the communities in which we live and work.
We offer flexible working schedules, robust career and development tools, a global employee share plan, study assistance and more. Come grow your career with us.

An Inside Look at CSL



CSL Headquarters
CSL
655 Elizabeth St, Melbourne VIC 3000, Australia